Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Pergunta: Me diga a nacionalidade de Rudolf Vercik
 ###Tabelas: CREATE TABLE round_two (round_two_id AUTO_INCREMENT PRIMARY KEY, Pick VARCHAR, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, NHL team VARCHAR, College/junior/club team VARCHAR) CREATE TABLE main_transmitters (main_transmitters_id AUTO_INCREMENT PRIMARY KEY, Region served VARCHAR, City VARCHAR, Channels ( Analog / Digital ) VARCHAR, First air date VARCHAR, ERP (Analog/ Digital) VARCHAR, HAAT (Analog/ Digital) 1 VARCHAR, Transmitter Location VARCHAR) CREATE TABLE major_tournaments (major_tournaments_id AUTO_INCREMENT PRIMARY KEY, Year INT, Tournament VARCHAR, Venue VARCHAR, Discipline VARCHAR, Result VARCHAR, Extra VARCHAR) CREATE TABLE list_of_most_olympic_medals_over_career (list_of_most_olympic_medals_over_career_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Nation VARCHAR, Sport VARCHAR, Years VARCHAR, Games VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE championship_drivers_and_constructors (championship_drivers_and_constructors_id AUTO_INCREMENT PRIMARY KEY, Entrant VARCHAR, Constructor VARCHAR, Chassis VARCHAR, Engine VARCHAR, Tyre VARCHAR, Driver VARCHAR, Rounds VARCHAR)  
SELECT Nationality FROM round_two WHERE Player = rudolf vercik